Marmot Helium Membrain

The Marmot Helium sleeping bag packs smaller than a loaf of bread, weighs less than a kilo and keeps you warm down to -10 Deg C, making it ideal for lightweight mountaineering and backpacking. The down used is of the highest quality and this lofts extremely well for maximum heat retention and warmth. The Marmot MemBrain technologies keep the weather out with a 20,000mm in waterproof performance and have 20,000gr in breathability to keep your sweat out of the sleeping bag, again to keep you warm and your sleeping bag dry, because of this technology a liner or any other 3 layer constuction is not needed so keeping pack size down. Features include: EN Tested; Passive Collar; Nautilus 6-Baffle Hood - 6 Chambers of Down Around Head for Better Down Control and Fit Hood Cord is Positioned for Easy Access; Classic Trapezoidal Foot Box - For More Foot Room; Full-length Zipper; Hood Draw Cord - Positioned for Easy Access; Insulated Draft Tube - Eliminates Cold Leaks Through the Zipper; Stretch Tricot Baffles - Provide Ultimate Strength Durability and Bag Life; Stuff and Storage Sack Included - Store and Pack Just Like Your Sleeping Bag; Velcro-free Face Muff - Keeps the Drawcord and Zipper Away from Your Face; Zipper Guards - Help Repel Biting Zipper Coils; Fill Weight 19.5 oz 552 g; Size on Hip 147 cm; Size on Foot 101 cm; Temperature Rating 15F -9.4C; Main Material 100% Nylon Ripstop DWR 1.2 ozyd; Lining Material 100% Polyester Taffeta DWR 1.0 ozyd;